Korg has announced a new addition to its ever-popular guitar tuner range, the TMR-50, which combines a chromatic tuner and metronome with a built-in recorder that can tape up to 20 minutes of audio.

Donner’s DBM-100 is an interesting little box of tricks. It offers a handy onboard tuner, a full-featured digital metronome, and a trainer mode that seems more like an afterthought than a feature.

Metronomes are incredibly important in music. Musicians use them to keep time during practice, and many drummers use them during live shows to save time better. There is a lot that goes into a good ...